Electric power is the future of flight, according to Airbus, which has teamed up with Daher-Socata to start production of small, battery-powered airplanes for the flight-training market. On the success of the first public flight of the E-Fan prototype early last year, the two companies plan to design, develop, and certify the E-Fan 2.0, a two-seat training aircraft, by 2017. Airbus says it intends this airplane to be the first in a line that will lead to bigger, more capable electric-powered aircraft, culminat…